1 /* $NetBSD: mainbus.c,v 1.5 2021/08/07 16:18:50 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or 8 * without modification, are permitted provided that the following 9 * conditions are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 3. The names of the authors may not be used to endorse or promote 17 * products derived from this software without specific prior 18 * written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY 21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 23 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 27 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 29 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31 * OF SUCH DAMAGE. 32 */ 33 /* 34 * Copyright 2002 Wasabi Systems, Inc. 35 * All rights reserved. 36 * 37 * Written by Simon Burge for Wasabi Systems, Inc. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed for the NetBSD Project by 50 * Wasabi Systems, Inc. 51 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 52 * or promote products derived from this software without specific prior 53 * written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 57 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 58 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 59 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 60 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 61 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 62 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 63 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 64 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 65 * POSSIBILITY OF SUCH DAMAGE. 66 */ 67 68 #include <sys/cdefs.h> 69 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.5 2021/08/07 16:18:50 thorpej Exp $"); 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/device.h> 74 75 #include <sys/bus.h> 76 77 #include <mips/cache.h> 78 #include <mips/cpuregs.h> 79 80 #include <mips/adm5120/include/adm5120reg.h> 81 #include <mips/adm5120/include/adm5120var.h> 82 #include <mips/adm5120/include/adm5120_mainbusvar.h> 83 84 #include "locators.h" 85 86 static int mainbus_match(device_t, cfdata_t, void *); 87 static void mainbus_attach(device_t, device_t, void *); 88 static int mainbus_print(void *, const char *); 89 90 CFATTACH_DECL_NEW(mainbus, sizeof(struct mainbus_softc), 91 mainbus_match, mainbus_attach, NULL, NULL); 92 93 /* There can be only one. */ 94 int mainbus_found; 95 96 struct mainbusdev { 97 const char *md_name; 98 }; 99 100 const struct mainbusdev mainbusdevs[] = { 101 {"cpu" }, 102 {"obio" }, 103 {"extio" }, 104 {"admpci" }, 105 {NULL } 106 }; 107 108 static void 109 mainbus_gpio_attach(struct mainbus_softc *sc) 110 { 111 if (bus_space_map(sc->sc_obiot, ADM5120_BASE_SWITCH, 512, 0, 112 &sc->sc_gpioh) != 0){ 113 aprint_error_dev(sc->sc_dev, "unable to map switch\n"); 114 return; 115 } 116 #if 0 117 aprint_normal_dev(sc->sc_dev, "memcont 0x%08" PRIx32 "\n", 118 bus_space_read_4(sc->sc_obiot, sc->sc_gpioh, 0x1c)); 119 #endif 120 sc->sc_gpio = admgpio_attach(sc); 121 } 122 123 124 static int 125 mainbus_match(device_t parent, cfdata_t match, void *aux) 126 { 127 return !mainbus_found; 128 } 129 130 static void 131 mainbus_attach(device_t parent, device_t self, void *aux) 132 { 133 struct mainbus_softc *sc = device_private(self); 134 struct mainbus_attach_args ma; 135 const struct mainbusdev *md; 136 struct adm5120_config *admc = &adm5120_configuration; 137 138 mainbus_found = 1; 139 aprint_normal("\n"); 140 141 sc->sc_dev = self; 142 sc->sc_obiot = &admc->obio_space; 143 144 mainbus_gpio_attach(sc); 145 146 ma.ma_dmat = &admc->obio_dmat; 147 ma.ma_obiot = sc->sc_obiot; 148 ma.ma_gpioh = sc->sc_gpioh; 149 ma.ma_gpio = sc->sc_gpio; 150 ma.ma_gpio_offset = -1; 151 ma.ma_gpio_mask = 0x0; 152 153 for (md = mainbusdevs; md->md_name != NULL; md++) { 154 ma.ma_name = md->md_name; 155 config_found(self, &ma, mainbus_print, 156 CFARGS(.iattr = "mainbus")); 157 } 158 } 159 160 static int 161 mainbus_print(void *aux, const char *pnp) 162 { 163 struct mainbus_attach_args *ma = aux; 164 165 if (pnp != NULL) 166 aprint_normal("%s at %s", ma->ma_name, pnp); 167 168 return UNCONF; 169 } 170
Indexes created Sun Sep 28 07:09:56 GMT 2025